Airman 1st Class Carla Arias scans suspicious items Nov. 3, 2017, during a training exercise to test procedures used to identify and collect hazardous materials. The 82nd Aerospace Medicine Squadron Bioenvironmental Engineering Flight and the 82nd Civil Engineer Squadron Emergency Management Flight worked together during the exercise just like they would in a real-world situation. (U.S. Air Force photo by Alan Quevy)